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Diffstat (limited to 'decoder/source/etmv3/trc_pkt_proc_etmv3_impl.h')
| -rw-r--r-- | decoder/source/etmv3/trc_pkt_proc_etmv3_impl.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.h b/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.h new file mode 100644 index 000000000000..a8e4fd1b5373 --- /dev/null +++ b/decoder/source/etmv3/trc_pkt_proc_etmv3_impl.h @@ -0,0 +1,175 @@ +/* + * \file trc_pkt_proc_etmv3_impl.h + * \brief OpenCSD : + * + * \copyright Copyright (c) 2015, ARM Limited. All Rights Reserved. + */ + + +/* + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef ARM_TRC_PKT_PROC_ETMV3_IMPL_H_INCLUDED +#define ARM_TRC_PKT_PROC_ETMV3_IMPL_H_INCLUDED + +#include "opencsd/etmv3/trc_pkt_proc_etmv3.h" +#include "opencsd/etmv3/trc_cmp_cfg_etmv3.h" +#include "opencsd/etmv3/trc_pkt_elem_etmv3.h" + +#define MAX_PACKET_SIZE 32 +#define ASYNC_SIZE 6 + +class EtmV3PktProcImpl +{ +public: + EtmV3PktProcImpl(); + ~EtmV3PktProcImpl(); + + void Initialise(TrcPktProcEtmV3 *p_interface); + + ocsd_err_t Configure(const EtmV3Config *p_config); + + + ocsd_datapath_resp_t processData( const ocsd_trc_index_t index, + const uint32_t dataBlockSize, + const uint8_t *pDataBlock, + uint32_t *numBytesProcessed); + ocsd_datapath_resp_t onEOT(); + ocsd_datapath_resp_t onReset(); + ocsd_datapath_resp_t onFlush(); + const bool isBadPacket() const; + +protected: + typedef enum _process_state { + WAIT_SYNC, + PROC_HDR, + PROC_DATA, + SEND_PKT, + PROC_ERR, + } process_state; + + process_state m_process_state; + + + void InitPacketState(); // clear current packet state. + void InitProcessorState(); // clear all previous process state + + // byte processing + + uint32_t waitForSync(const uint32_t dataBlockSize, const uint8_t *pDataBlock); //!< look for sync, return none-sync bytes processed. + ocsd_err_t processHeaderByte(uint8_t by); + ocsd_err_t processPayloadByte(uint8_t by); + + // packet handling - main routines + void OnBranchAddress(); + void OnISyncPacket(); + uint32_t extractCtxtID(); + uint64_t extractTimestamp(uint8_t &tsBits); + uint32_t extractDataAddress(uint8_t &bits, bool &updateBE, uint8_t &beVal); + uint32_t extractDataValue(const int dataByteSize); + uint32_t extractCycleCount(); + + // packet handling - helper routines + uint32_t extractBrAddrPkt(int &nBitsOut); + void extractExceptionData(); + void checkPktLimits(); + void setBytesPartPkt(const int numBytes, const process_state nextState, const ocsd_etmv3_pkt_type nextType); // set first n bytes from current packet to be sent via alt packet. + + // packet output + void SendPacket(); // mark state for packet output + ocsd_datapath_resp_t outputPacket(); // output a packet + + // bad packets + void throwMalformedPacketErr(const char *pszErrMsg); + void throwPacketHeaderErr(const char *pszErrMsg); + void throwUnsupportedErr(const char *pszErrMsg); + + uint32_t m_bytesProcessed; // bytes processed by the process data routine (index into input buffer) + std::vector<uint8_t> m_currPacketData; // raw data + uint32_t m_currPktIdx; // index into packet when expanding + EtmV3TrcPacket m_curr_packet; // expanded packet + + std::vector<uint8_t> m_partPktData; // raw data when we need to split a packet. + bool m_bSendPartPkt; // mark the part packet as the one we send. + process_state m_post_part_pkt_state; // state to set after part packet set + ocsd_etmv3_pkt_type m_post_part_pkt_type; // reset the packet type. + + // process state + bool m_bStreamSync; //!< true if we have synced this stream + bool m_bStartOfSync; //!< true if we have a start of sync. + + // packet state + uint32_t m_bytesExpectedThisPkt; // used by some of the variable packet length types. + bool m_BranchPktNeedsException; + bool m_bIsync_got_cycle_cnt; + bool m_bIsync_get_LSiP_addr; + int m_IsyncInfoIdx; + bool m_bExpectingDataAddress; + bool m_bFoundDataAddress; + + ocsd_trc_index_t m_packet_index; // index of the start of the current packet + ocsd_trc_index_t m_packet_curr_byte_index; // index of the current byte. + + bool m_isInit; + TrcPktProcEtmV3 *m_interface; /**< The interface to the other decode components */ + + EtmV3Config m_config; + + uint8_t m_chanIDCopy; +}; + + +inline void EtmV3PktProcImpl::SendPacket() +{ + m_process_state = SEND_PKT; +} + +inline void EtmV3PktProcImpl::throwMalformedPacketErr(const char *pszErrMsg) +{ + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_BAD_PACKET_SEQ,m_packet_index,m_chanIDCopy,pszErrMsg); +} + +inline void EtmV3PktProcImpl::throwPacketHeaderErr(const char *pszErrMsg) +{ + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_INVALID_PCKT_HDR,m_packet_index,m_chanIDCopy,pszErrMsg); +} + +inline void EtmV3PktProcImpl::throwUnsupportedErr(const char *pszErrMsg) +{ + throw ocsdError(OCSD_ERR_SEV_ERROR,OCSD_ERR_HW_CFG_UNSUPP,m_packet_index,m_chanIDCopy,pszErrMsg); +} + + +inline const bool EtmV3PktProcImpl::isBadPacket() const +{ + return m_curr_packet.isBadPacket(); +} + + +#endif // ARM_TRC_PKT_PROC_ETMV3_IMPL_H_INCLUDED + +/* End of File trc_pkt_proc_etmv3_impl.h */ |